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Extraction and electrochemical behavior of fission palladium in room-temperature ionic liquid

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Abstract

The extraction behavior of palladium in a solution of tri-n-octylmethylammonium nitrate (TOMAN) and 1,3-diisopropyl benzene (DIPB) in presence of tri-n-butyl phosphate as phase modifier was studied. The distribution ratio of palladium (DPd(II)) increased with increase in the concentration of nitric acid, reached a maximum at 1 M in nitric acid, followed by decrease in DPd(II) values. The cyclic voltammogram of the palladium in extracted organic phase (0.5 M TOMAN + 0.1 M TBP/DIPB) showed a surge in cathode current at −0.5 V was due to the palladium deposition. The results confirmed the feasibility of using the organic phase for electrodeposition of palladium directly from extracted phase.

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Authors and Affiliations

  1. Fuel Chemistry Division, Indira Gandhi Centre for Atomic Research, Kalpakkam, 603102, India

    R. Kumaresan, K. A. Venkatesan & M. P. Antony

  2. Department of Chemistry, Institute of Chemical Technology, Mumbai, 400019, India

    Rakesh Jain & B. M. Bhanage

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  1. R. Kumaresan
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  2. Rakesh Jain
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  3. K. A. Venkatesan
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  4. M. P. Antony
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  5. B. M. Bhanage
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Correspondence to K. A. Venkatesan.

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Kumaresan, R., Jain, R., Venkatesan, K.A. et al. Extraction and electrochemical behavior of fission palladium in room-temperature ionic liquid. J Radioanal Nucl Chem 303, 1047–1052 (2015). https://doi.org/10.1007/s10967-014-3734-5

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  • DOI: https://doi.org/10.1007/s10967-014-3734-5

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